According to the ETF Finder at ETF Channel, GXP makes up 2.52% of the First Trust Utilities AlphaDEX Fund ETF ( AMEX: FXU) which is trading relatively unchanged on the day Tuesday.

FORBES: Bullish Two Hundred Day Moving Average Cross - GXP

According to the ETF Finder at ETF Channel, NRG makes up 2.27% of the First Trust Utilities AlphaDEX Fund ETF ( AMEX: FXU) which is trading lower by about 1.5% on the day Tuesday.

FORBES: NRG Stock Crowded With Sellers

According to the ETF Finder at ETF Channel, OKE makes up 4.23% of the First Trust Utilities AlphaDEX Fund ETF ( AMEX: FXU) which is trading up by about 2.9% on the day Wednesday.

FORBES: OKE Stock Sees Many Buyers